—Do you know the reason why he failed ?—No, he’s a hard-working man___________, he failed finally.

Jack has a good habit of keeping a diary every day;      he is very good at writing.

“If you are to succeed, you must put your shoulder to the wheel." my head teacher _______ says to the class.

It was ________ that the tourists wanted to spend more time taking pictures outdoors.

—Hi, I hear you’re going to London this summer vacation. —            , I was going to, but now I have changed my plan.